Examples

And, we realized the old truism from the original cytogenetics which was that the telomere is really important for protecting ends and, as you might expect, the cell actually devotes all sorts of machinery to make sure that never goes wrong, or goes wrong as little as possible.

A telomere is a region at the end of every cell chromosome that contains repeated DNA sequences but no genes; telomeres act to protect the ends of the chromosomes and prevent them from fusing together — rather like the plastic tips that keep shoelaces from unraveling.